From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andreas Unger <andreas.unger@rz.uni-jena.de>
To: egcs@cygnus.com
Subject: egcs, Peephole Problem
Date: Wed, 10 Dec 1997 23:53:00 -0000
Message-id: <348F9C7A.C1C14461@uni-jena.de>
X-SW-Source: 1997-12/msg00637.html

Translating



int a, b, c, d;
int main(){
  int i;

  for(i=0; i < 10000000; i++){

    a = a+b+c;

    if(a == 3000)
      b++;

    if(a % 2)

      d=a*c;
    else
    d=a*a*c;

    b=b+c+a;
    c=b+d;
  }
}

with haifa enabled on sparc-sun-solaris2.5.1 has produced:

....

.LL10:
         st %g2,[%o7+%lo(d)]
         ld [%o7+%lo(d)],%g2
....

Andreas

 --

andreas.unger@uni-jena.de